Facts & Frequently asked questions

Company

What is PassiveRail?

PassiveRail is an attempt to modernize rail infrastructure while at the same time reducing the cost. We are developing a system that is realiable, fast and affordable using magnetic levitation.

How did PassiveRail start?

The concept was created at the end of 2017 in an electromangetism class by Founder Anton Moberg. The PassiveRail concept quickly evolved and was awarded an innovation award by Lund University & Sparbanken Skåne in March 2018.

Technology

How fast will the the PassiveRail trains be?

We estimate that the trains will reach speed of around 650km/h with current technology. However as the technology develop even higher speeds may be possible.

How is the train propelled?

PassiveRail trains are propelled with a Linear Induction Motor (LIM), which essentially is a straightened out rotating induction motor. A LIM consists of two main parts, a primary (equivalent to stator in rotating case) and a secondary (equivalent to rotor in rotating case). When a voltage is applied to the primary it will induce a movement relative to the secondary (rotation of the rotor in rotating case). This is what propels the train forward.

How is the train levitated?

PassiveRail trains are levitated with permanent magnets which when in motion induces a repelling magnetic field in the rail which will levitate the train. This is technique is called electrodynamic suspension (EDS).

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